{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "protein", "cell type", "DNA", "RNA"], "input": "The C26 element conferred partial responsiveness to p40tax when linked to one copy of the 21-bp element that, by itself, showed little activation in response to p40tax ."}
{"cell line": [], "protein": ["p40tax"], "cell type": [], "DNA": ["C26 element", "21-bp element"], "RNA": []}